#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QColorDialog>
MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}

MainWindow::~MainWindow()
{
    delete ui;
}


void MainWindow::on_pushButton_clicked()
{
    QColor color = QColorDialog::getColor(QColor(255, 0, 0), this, "请选择一个颜色");
    //QString style = "background-color: rgb(" + QString::number(color.red()) + "," + QString::number(color.green()) + "," + QString::number(color.blue()) + ");";
    char style[1024] = {0};
    sprintf(style, "background-color: rgb(%d, %d, %d)", color.red(), color.green(), color.blue());
    this->setStyleSheet(style);
}
